Home > Developer > Web Develop

"Head first HTML and CSS, XHTML"-sixth chapter-Standard, Specification, seventh chapter--xhtml

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

2015-04-01 19:48:22

Sixth chapter-Standards, norms

1. In accordance with the strict specifications of HTML 4.01, inline elements must be included in the block element, of course, not to do so can pass.

2. The standard Web page loads faster, is easier to run on other mobile devices, and is easily accepted by users with screen readers because of visual impairments.

3. Take the time to read the wrong information and you will begin to understand their tricks.

4. Fill <body> with only block elements (

5. Block elements are not allowed to be contained in inline elements under any circumstances. Only text and other inline elements can be embedded within an inline element.

6. block elements are forbidden to be included in the <p> element, only the text can form a paragraph , and the inline element may be used in the paragraph (<em><a><strong><q> ).

7. The list item can be anything,<li> the rules of the element are loose, you can add text, inline elements, or block elements to the list item.

8. Out of the <a> element, the other inline elements can be self-nested. Additionally the, element is empty.

Seventh Chapter--xhtml

The 1.

2. All element names must be indicated in lowercase letters.

3. All attribute values must be non-empty, with double quotation marks.

4. All empty tags should end with "/>". ps:/should have a space before, or some older browsers may not be recognized.

5.DOCTYPE is really important, it allows the browser to know exactly what the standard amount of HTML, to avoid the browser to judge, and caused the display effect is not uniform.

6.XHTML is XML.

"Head first HTML and CSS, XHTML"-sixth chapter-Standard, Specification, seventh chapter--xhtml

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
head first html and css head first html and css 2nd edition head first html and css 3rd edition head first servlets and jsp html to xhtml converter head first object oriented analysis and design html and css jobs
Related Article
Jwt+asp.net MVC timestamp prevents replay attacks

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

What's Trending
Top 10 Tags
datastax versions naming convention zookeeper client class definition md5 microsoft sql server 2005 data structures exception handling error handling
Top 10 Keywords
microsoft download center down wordpress address url site address url wordpress address url windows installer 4 0 download 302 not found web address url definition site address url wordpress db2 integer mac os installation step by step pdf abbreviation for return

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More